crimson/docker/docker-compose.db.yml

### CRIMSON --- A simple PHP framework.
### Copyright © 2024 Freya Murphy <contact@freyacat.org>
###
### This file is part of CRIMSON.
###
### CRIMSON is free software; you can redistribute it and/or modify it
### under the terms of the GNU General Public License as published by
### the Free Software Foundation; either version 3 of the License, or (at
### your option) any later version.
###
### CRIMSON is distributed in the hope that it will be useful, but
### WITHOUT ANY WARRANTY; without even the implied warranty of
### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
### GNU General Public License for more details.
###
### You should have received a copy of the GNU General Public License
### along with CRIMSON. If not, see <http://www.gnu.org/licenses/>.

services:
  # `docker-compose-db.yml`
  # This compose file creates the `postgres`, and `db-init` containers.
  # Crimson uses prostgres for its database and uses db-init to initalize the
  # baseline required for all crimson components.
  #
  # This service stack is only enabled when API_ENABLED=true.

  postgres:
    build: ${CRIMSON_ROOT}/build/postgres
    restart: unless-stopped
    env_file: DOCKER_ENV_FILES
    environment:
      - POSTGRES_INITDB_ARGS=--encoding=UTF-8 --lc-collate=C --lc-ctype=C
    volumes:
      - ${PROJECT_DATA}/schemas:/var/lib/postgresql/data
      - ${PROJECT_SOURCE}/db:/db:ro
    healthcheck:
      test: pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DB}
      interval: 1s
      timeout: 3s
      retries: 10
      start_period: 3s

  db-init:
    # => Guarantees the required crimson baseline in the database.
    # i.e. sys schema used for storing migration meta data and other small
    # things.
    # => Runs all database migrations for you. All that is needed
    # is that the migration file convention is followed.
    # => If the API is enabled, also loads in the api schema for postgrest.
    #
    # Once db-init finishes, it will create a `db-ready` file in
    # /var/run/crimson to tell crimson's php code its to further route requests.
    #
    # For information on databse conventions and layouts, see
    # `build/db-init/README.md`.
    build: ${CRIMSON_ROOT}/build/db-init
    restart: no
    env_file: DOCKER_ENV_FILES
    volumes:
      - ${PROJECT_SOURCE}/db:/db:ro
      - ${PROJECT_DATA}/crimson:/var/run/crimson
    depends_on:
      postgres:
        condition: service_healthy

  php:
    # Crimson supports calling the postgres database inside php though the
    # database library. Thus is in added dependency. Crimson does not need to
    # depend on db-init since db-init has a ready file that crimons uses
    # instead.
    depends_on:
      postgres:
        condition: service_healthy